%0 Journal Article
%A Halava, Vesa
%A Harju, Tero
%A Kärki, Tomi
%T The theorem of Fine and Wilf for relational periods
%J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
%D 2009
%P 209-220
%V 43
%N 2
%I EDP-Sciences
%U http://www.numdam.org/articles/10.1051/ita:2008025/
%R 10.1051/ita:2008025
%G en
%F ITA_2009__43_2_209_0